/*
 * Copyright 2025 Clidey, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package router

import (
	"context"
	"net/http"

	"github.com/clidey/whodb/core/src/analytics"
	"github.com/clidey/whodb/core/src/common"
	"github.com/go-chi/chi/v5/middleware"
)

func contextMiddleware(next http.Handler) http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		ctx := context.WithValue(r.Context(), common.RouterKey_ResponseWriter, w)

		metadata := analytics.BuildMetadata(r)
		if metadata.RequestID == "" {
			if requestID := middleware.GetReqID(ctx); requestID != "" {
				metadata.RequestID = requestID
			}
		}

		ctx = analytics.WithMetadata(ctx, metadata)
		next.ServeHTTP(w, r.WithContext(ctx))
	})
}
